Products, platforms and data systems I have designed and built, with notes on the decisions behind them.
2023 / Lead backend engineer
A commerce platform with a built-in wallet, so merchants can take payments, hold balances and pay out in one place.
Python / Flask / PostgreSQL / Redis
2026 / Full-stack engineer
Selling inside WhatsApp: catalogue, cart and payment links in a chat thread, with an AI assistant answering product questions.
TypeScript / Node.js / WhatsApp Cloud API / Claude
